What is the minimum safe distance to stack excavated soil from the borehole?

At least 1.0 meter from the edge of the excavation. (Clause 3.2.3)

What is the maximum permissible noise level for an 8-hour workday?

Continuous exposure to noise levels exceeding 90 dB(A) for 8 hours a day should be avoided. (Clause 7.1.3)

Are there specific lighting requirements for night operations?

Yes, adequate illumination of at least 50 lux must be provided at all work spots for any work done at night. (Clause 3.4.1)

Can workers ride on piling equipment or materials?

No, it is strictly prohibited for any person to ride on piles, hammers, kelly bars, or any other piling equipment. (Clause 5.1.4)

IS 11623

: 1986

Safety code for piling operations

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This Indian Standard provides comprehensive safety guidelines for all aspects of piling operations. It covers general site safety, specific requirements for piling equipment and machinery, and safe procedures for various piling methods. The code's primary purpose is to prevent accidents and safeguard the health and welfare of workers on piling sites.

Lays down safety requirements for all types of piling operations, including handling of piles, driving, and boring.

Quick Reference Values

Minimum illumination for work area50 lux

Minimum distance for stacking materials from excavation edge1.0 m

Maximum permissible noise exposure for 8-hour duration90 dB(A)

Practical Notes

Daily pre-start checks of all lifting equipment, wire ropes, and machinery are critical and must be documented.

Clear and standardized communication signals between the rig operator, crane operator, and ground crew must be established and strictly followed.

The stability of the piling rig platform is paramount; ensure it is level, firm, and adequately designed for the imposed loads, especially in poor soil conditions.